US Bridges

Mccullough RD over Drainage Canal

PoorPosted for load

East Baton Rouge Parish, Louisiana · 1.7 Mi. E of LA 410 · Structure no. 611730355910301

Built
1967
58 years old
Condition
Poor
inspected June 2023
Type
Slab
Concrete
Length
76 ft
4 main spans
Daily traffic
1,028
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

Mccullough RD over Drainage Canal is a concrete slab carrying Mccullough RD over Drainage Canal in East Baton Rouge Parish, Louisiana. It was built in 1967, so it is 58 years old, older than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 1,028 vehicles a day, projected to reach 1,130 by 2039. The structure is 76 ft (23.2 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesMccullough RD
CrossesDrainage Canal
Location1.7 Mi. E of LA 410
RouteCounty Highway 0
CountyEast Baton Rouge Parish
StateLouisiana
Coordinates30.59271, -91.05156
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating7.8 US tons
Inventory rating6.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length76 ft (23.2 m)
Longest span19 ft (5.8 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,028 (2019)
Projected traffic1,130 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$274,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Mccullough RD over Drainage Canal built?

It was built in 1967, making it 58 years old in 2025.

What condition is Mccullough RD over Drainage Canal in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2023.

How much traffic does Mccullough RD over Drainage Canal carry?

About 1,028 vehicles per day (2019 count).

How long is Mccullough RD over Drainage Canal?

The structure is 76 ft (23.2 m) long with a longest span of 19 ft (5.8 m) and a deck 27 ft wide.

Who owns Mccullough RD over Drainage Canal?

It is owned by the City or Municipal Highway Agency.